Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 6 Jan 1999 | Flintshire | 3 | 2 | Slight |
| Fri 8 Jan 1999 | Flintshire | 2 | 2 | Slight |
| Fri 8 Jan 1999 | Flintshire | 1 | 1 | Serious |
| Wed 20 Jan 1999 | Flintshire | 2 | 1 | Slight |
| Fri 22 Jan 1999 | Flintshire | 2 | 2 | Slight |
| Tue 26 Jan 1999 | Flintshire | 3 | 1 | Slight |
| Fri 29 Jan 1999 | Flintshire | 2 | 1 | Slight |
| Sat 30 Jan 1999 | Flintshire | 2 | 1 | Slight |
| Tue 9 Feb 1999 | Flintshire | 1 | 2 | Slight |
| Sat 13 Feb 1999 | Flintshire | 2 | 1 | Slight |
| Sat 27 Feb 1999 | Flintshire | 2 | 1 | Slight |
| Sun 7 Mar 1999 | Flintshire | 2 | 1 | Slight |
| Wed 17 Mar 1999 | Flintshire | 1 | 1 | Slight |
| Thu 18 Mar 1999 | Flintshire | 1 | 1 | Slight |
| Mon 22 Mar 1999 | Flintshire | 2 | 1 | Slight |
| Sun 28 Mar 1999 | Flintshire | 2 | 2 | Slight |
| Tue 30 Mar 1999 | Flintshire | 2 | 1 | Slight |
| Wed 21 Apr 1999 | Flintshire | 2 | 1 | Slight |
| Wed 21 Apr 1999 | Flintshire | 1 | 1 | Slight |
| Fri 23 Apr 1999 | Flintshire | 2 | 1 | Slight |
| Sun 25 Apr 1999 | Flintshire | 1 | 1 | Slight |
| Tue 27 Apr 1999 | Flintshire | 2 | 1 | Slight |
| Thu 29 Apr 1999 | Flintshire | 2 | 1 | Slight |
| Fri 7 May 1999 | Flintshire | 1 | 1 | Slight |
| Sun 16 May 1999 | Flintshire | 1 | 1 | Serious |
| Fri 4 Jun 1999 | Flintshire | 3 | 2 | Slight |
| Mon 7 Jun 1999 | Flintshire | 1 | 1 | Slight |
| Sun 27 Jun 1999 | Flintshire | 2 | 1 | Slight |
| Tue 6 Jul 1999 | Flintshire | 3 | 2 | Slight |
| Sat 14 Aug 1999 | Flintshire | 2 | 1 | Slight |
| Wed 18 Aug 1999 | Flintshire | 2 | 1 | Slight |
| Wed 15 Sep 1999 | Flintshire | 2 | 2 | Serious |
| Sat 18 Sep 1999 | Flintshire | 2 | 1 | Slight |
| Sun 19 Sep 1999 | Flintshire | 2 | 1 | Slight |
| Sat 25 Sep 1999 | Flintshire | 2 | 1 | Slight |
| Wed 6 Oct 1999 | Flintshire | 2 | 1 | Slight |
| Wed 13 Oct 1999 | Flintshire | 2 | 1 | Slight |
| Wed 27 Oct 1999 | Flintshire | 1 | 1 | Slight |
| Fri 29 Oct 1999 | Flintshire | 1 | 1 | Slight |
| Mon 29 Nov 1999 | Flintshire | 2 | 3 | Slight |
| Mon 29 Nov 1999 | Flintshire | 2 | 2 | Slight |
| Mon 29 Nov 1999 | Flintshire | 4 | 2 | Slight |
| Wed 15 Dec 1999 | Flintshire | 1 | 1 | Slight |
| Sat 18 Dec 1999 | Flintshire | 2 | 4 | Slight |